Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8247148 | Resin-coated ferrite carrier for electrophotographic developer and electrophotographic developer using the resin-coated ferrite carrier | Kanao Kayamoto | 2012-08-21 |
| 7964330 | Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer | Kanao Kayamoto | 2011-06-21 |
| 7897317 | Method for producing core material of electrophotographic ferrite carrier and resin-coated ferrite carrier | Kanao Kayamoto | 2011-03-01 |
| 7879522 | Carrier core material for electrophotographic developer, carrier and electrophotographic developer using the carrier | Koji Aga, Tetsuya Igarashi | 2011-02-01 |
| 7824833 | Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier | Kanao Kayamoto, Toshio Honjo | 2010-11-02 |
| 7553597 | Carrier core material, coated carrier, and two-component developing agent for electrophotography | Hiromichi Kobayashi, Tsuyoshi Itagoshi, Yuji Sato | 2009-06-30 |
| 7442483 | Ferrite carrier for electrophotographic developer and method for preparing the same, and electrophotographic developer using the same | Hiromichi Kobayashi, Kanao Kayamoto, Tadashi Harayama, Toshio Honjo | 2008-10-28 |
| 7183033 | Carrier core material, coated carrier, two-component developing agent for electrophotography, and image forming method | Hiromichi Kobayashi, Tsuyoshi Itagoshi, Yuji Sato | 2007-02-27 |
| 7144670 | Carrier for electrophotographic developer and process of producing the same | Kanao Kayamoto, Yuji Sato | 2006-12-05 |
| 6582870 | Carrier for electrophotographic developer and electrophotographic developer containing the same | Kanao Kayamoto, Yuji Sato | 2003-06-24 |